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Uncynical_Diogenes t1_iyi8wwg wrote

Reply to comment by cjheaford in Do we have any compounds or materials on Earth that compared to the rest of the universe is incredibly rare? by SwordArtOnlineIsGood

Unrelated to substances, but I wanted to piggyback because one of my favorite facts is that Earth is also the location of the coldest known places in the universe.

Labs on Earth have created systems closer to absolute zero than anything we have yet observed off-Earth.

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